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-rw-r--r--include/crypto/algapi.h84
1 files changed, 80 insertions, 4 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 4e05e93..b2b1e6e 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -13,8 +13,11 @@
#define _CRYPTO_ALGAPI_H
#include <linux/crypto.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
struct module;
+struct rtattr;
struct seq_file;
struct crypto_type {
@@ -38,7 +41,7 @@ struct crypto_template {
struct hlist_head instances;
struct module *module;
- struct crypto_instance *(*alloc)(void *param, unsigned int len);
+ struct crypto_instance *(*alloc)(struct rtattr **tb);
void (*free)(struct crypto_instance *inst);
char name[CRYPTO_MAX_ALG_NAME];
@@ -48,6 +51,15 @@ struct crypto_spawn {
struct list_head list;
struct crypto_alg *alg;
struct crypto_instance *inst;
+ u32 mask;
+};
+
+struct crypto_queue {
+ struct list_head list;
+ struct list_head *backlog;
+
+ unsigned int qlen;
+ unsigned int max_qlen;
};
struct scatter_walk {
@@ -81,6 +93,7 @@ struct blkcipher_walk {
int flags;
};
+extern const struct crypto_type crypto_ablkcipher_type;
extern const struct crypto_type crypto_blkcipher_type;
extern const struct crypto_type crypto_hash_type;
@@ -91,16 +104,23 @@ void crypto_unregister_template(struct crypto_template *tmpl);
struct crypto_template *crypto_lookup_template(const char *name);
int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
- struct crypto_instance *inst);
+ struct crypto_instance *inst, u32 mask);
void crypto_drop_spawn(struct crypto_spawn *spawn);
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
u32 mask);
-struct crypto_alg *crypto_get_attr_alg(void *param, unsigned int len,
- u32 type, u32 mask);
+struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
+int crypto_check_attr_type(struct rtattr **tb, u32 type);
+struct crypto_alg *crypto_get_attr_alg(struct rtattr **tb, u32 type, u32 mask);
struct crypto_instance *crypto_alloc_instance(const char *name,
struct crypto_alg *alg);
+void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
+int crypto_enqueue_request(struct crypto_queue *queue,
+ struct crypto_async_request *request);
+struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
+int crypto_tfm_in_queue(struct crypto_queue *queue, struct crypto_tfm *tfm);
+
int blkcipher_walk_done(struct blkcipher_desc *desc,
struct blkcipher_walk *walk, int err);
int blkcipher_walk_virt(struct blkcipher_desc *desc,
@@ -118,11 +138,37 @@ static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
return (void *)ALIGN(addr, align);
}
+static inline struct crypto_instance *crypto_tfm_alg_instance(
+ struct crypto_tfm *tfm)
+{
+ return container_of(tfm->__crt_alg, struct crypto_instance, alg);
+}
+
static inline void *crypto_instance_ctx(struct crypto_instance *inst)
{
return inst->__ctx;
}
+static inline struct ablkcipher_alg *crypto_ablkcipher_alg(
+ struct crypto_ablkcipher *tfm)
+{
+ return &crypto_ablkcipher_tfm(tfm)->__crt_alg->cra_ablkcipher;
+}
+
+static inline void *crypto_ablkcipher_ctx(struct crypto_ablkcipher *tfm)
+{
+ return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline struct crypto_blkcipher *crypto_spawn_blkcipher(
+ struct crypto_spawn *spawn)
+{
+ u32 type = CRYPTO_ALG_TYPE_BLKCIPHER;
+ u32 mask = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
+
+ return __crypto_blkcipher_cast(crypto_spawn_tfm(spawn, type, mask));
+}
+
static inline void *crypto_blkcipher_ctx(struct crypto_blkcipher *tfm)
{
return crypto_tfm_ctx(&tfm->base);
@@ -170,5 +216,35 @@ static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
walk->total = nbytes;
}
+static inline struct crypto_async_request *crypto_get_backlog(
+ struct crypto_queue *queue)
+{
+ return queue->backlog == &queue->list ? NULL :
+ container_of(queue->backlog, struct crypto_async_request, list);
+}
+
+static inline int ablkcipher_enqueue_request(struct ablkcipher_alg *alg,
+ struct ablkcipher_request *request)
+{
+ return crypto_enqueue_request(alg->queue, &request->base);
+}
+
+static inline struct ablkcipher_request *ablkcipher_dequeue_request(
+ struct ablkcipher_alg *alg)
+{
+ return ablkcipher_request_cast(crypto_dequeue_request(alg->queue));
+}
+
+static inline void *ablkcipher_request_ctx(struct ablkcipher_request *req)
+{
+ return req->__ctx;
+}
+
+static inline int ablkcipher_tfm_in_queue(struct crypto_ablkcipher *tfm)
+{
+ return crypto_tfm_in_queue(crypto_ablkcipher_alg(tfm)->queue,
+ crypto_ablkcipher_tfm(tfm));
+}
+
#endif /* _CRYPTO_ALGAPI_H */
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